HomeC2203 · Code meaning and manufacturer information
Chassis

C2203

Code meaning and manufacturer information

C2203

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Manufacturer communications

9

Original wording in English

08-009-26 REV. A

RAM

Reported code forms C2203-00

Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes…

Read communication ↗

08-174-26

JEEP

Reported code forms C2203-00

Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes…

Read communication ↗

08-021-26

RAM

Reported code forms C2203-00

Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes…

Read communication ↗

08-020-26

RAM

Reported code forms C2203-00

Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes…

Read communication ↗

08-013-26

JEEP

Reported code forms C2203-00

Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes…

Read communication ↗

08-009-26

RAM

Reported code forms C2203-00

Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes…

Read communication ↗

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Check vehicle applicability

16

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
JeepGRAND CHEROKEE2026
JeepGRAND CHEROKEE 4XE2026
JeepGRAND CHEROKEE L2026
JeepGRAND WAGONEER2026
JeepGRAND WAGONEER2024
JeepWAGONEER2026
JeepWAGONEER2024
Ram15002026
Ram25002026
Ram25002025
Ram35002026
Ram35002025
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Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.